\\ Species Tag: & 27001 & Name:& HCN \\ Version: & 2 & & Hydrogen cyanide \\ Date: & Jan. 1984 & & \\ Contributor:& R. L. Poynter & & \\ & & & \\ Lines Listed: & 40 & Q(300.0)=& 424.326 \\ Freq. (GHz) $<$ & 2913 & Q(225.0)=& 318.493 \\ Max. J: & 33 & Q(150.0)=& 212.618 \\ LOGSTR0= & -3.8 & Q(75.00)=& 106.807 \\ LOGSTR1= & -3.4 & Q(37.50)=& 53.914 \\ Isotope Corr.: & 0.0 & Q(18.75)=& 27.473 \\ Egy. (cm$^{-1}$) $>$& 0 & Q(9.375)=& 14.272 \\ $\mu_a$ = & 2.984 & A=& \\ $\mu_b$ = & & B=& 44315.975 \\ $\mu_c$ = & & C=& \headend The observed transitions are from F. C. De Lucia and W. Gordy, 1969, Phys.\ Rev.\ {\bf 187}, 58, and from F. C. Van den Heuvel, W. L. Meerts, and A.\ Dymanus, 1982, Chem.\ Phys.\ Lett.\ {\bf 92}, 215. The dipole moment is from G.\ Tomasevich, 1970, Thesis, Harvard University.